Viewing Station: WA-SG-24 : Mount Vernon 0.8 SW
Apr 7, 2010 - Sep 17, 20254,903 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.18"
September 1-17, 2025(17 of 17 days covered by obs)
NOAA Normal
1.65"
Departure from Normal
-1.47" : 11% of Normal
Year-To-Date: 15.50"
Jan 1 to Sep 17, 2025(252 of 260 days covered by obs)
NOAA Normal
31.94"
Departure from Normal
-16.44" : 49% of Normal
Water Year-To-Date: 29.42"
Oct 1, 2024 to Sep 17, 2025(344 of 352 days covered by obs)
NOAA Normal
51.14"
Departure from Normal
-21.72" : 58% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.59
4.30
2.29
Feb
4.59
3.04
1.55
Mar
5.24
3.23
2.01
Apr
4.54
2.88
1.66
May
3.54
2.55
0.99
Jun
2.73
2.14
0.59
Jul
1.43
1.03
0.40
Aug
1.63
1.30
0.33
Sep
2.92
2.15
0.77
Oct
5.37
3.56
1.81
Nov
7.59
5.32
2.27
Dec
6.24
4.09
2.15
52.41
35.59
16.82